/**
 * Copyright [2019] [LiBo/Alex of copyright liboware@gmail.com ]
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.hyts.expression.ognl.core;

import lombok.Getter;
import ognl.OgnlContext;

import java.util.Map;
import java.util.Objects;

/**
 * @project-name:coffice-toolbox
 * @package-name:com.hyts.expression.ognl.core
 * @author:LiBo/Alex
 * @create-date:2019-08-06 10:17
 * @copyright:libo-alex4java
 * @email:liboware@gmail.com
 * @description: ognlContext上下文操作管理器
 */
public class OgnlContextManager {

    /**
     * ognlContext 对象操作表达式语言解析器对象
     */
    @Getter
    protected OgnlContext ognlContext;

    /**
     * ognlContext上下文操作对象
     * @param ognlContext
     * @return
     */
    public static OgnlContextManager build(OgnlContext ognlContext){
        Objects.requireNonNull(ognlContext);
        OgnlContextManager ognlContextManager = new OgnlContextManager();
        ognlContextManager.ognlContext = ognlContext;
        return ognlContextManager;
    }

    /**
     * root 根目录对象操作
     * @param root
     * @return
     */
    public OgnlContextManager root(Object root){
        ognlContext.setRoot(root);
        return this;
    }

    /**
     * put 注入 属性操作功能
     * @param key key值
     * @param value value对象
     * @return
     */
    public OgnlContextManager put(String key,Object value){
        ognlContext.putIfAbsent(key,value);
        return this;
    }

    /**
     * put 注入 属性操作功能
     * @param keyAndValueMap 对象集合
     * @return
     */
    public OgnlContextManager put(Map<String,Object> keyAndValueMap){
        ognlContext.putAll(keyAndValueMap);
        return this;
    }
}
